[$] Custom page-cache policies with BPF
Date:
Fri, 22 May 2026 14:37:10 +0000
Description:
The kernel's page cache is charged with maintaining pages (or, more
correctly, folios ) containing copies of
data from files in the filesystem; its performance has a big effect on the performance of the system as a whole. One of the key decisions the kernel
must make is when to evict folios from the page cache. At the 2026 Linux Storage,
Filesystem, Memory Management, and BPF Summit , Tal Zussman ran a memory-management-track session on how the page cache could be better customized for specific workloads. It will not be much of a spoiler to say that it involves BPF.
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Link to news story:
https://lwn.net/Articles/1073103/
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